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10211837749 is a prime number
BaseRepresentation
bin10011000001010110…
…00100011100110101
3222100200101002212221
421200223010130311
5131403212301444
64405151042341
7511026121501
oct114053043465
928320332787
1010211837749
114370352933
121b8bb103b1
13c6985a959
146cc347301
153eb7a4a84
hex260ac4735

10211837749 has 2 divisors, whose sum is σ = 10211837750. Its totient is φ = 10211837748.

The previous prime is 10211837747. The next prime is 10211837791. The reversal of 10211837749 is 94773811201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8877031524 + 1334806225 = 94218^2 + 36535^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211837749 - 21 = 10211837747 is a prime.

Together with 10211837747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211837747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105918874 + 5105918875.

It is an arithmetic number, because the mean of its divisors is an integer number (5105918875).

Almost surely, 210211837749 is an apocalyptic number.

It is an amenable number.

10211837749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211837749 is an equidigital number, since it uses as much as digits as its factorization.

10211837749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 10211837749 in words is "ten billion, two hundred eleven million, eight hundred thirty-seven thousand, seven hundred forty-nine".